| /* |
| * Realtek RTL2832U SDR driver |
| * |
| * Copyright (C) 2013 Antti Palosaari <crope@iki.fi> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * GNU Radio plugin "gr-kernel" for device usage will be on: |
| * http://git.linuxtv.org/anttip/gr-kernel.git |
| * |
| * TODO: |
| * Help is very highly welcome for these + all the others you could imagine: |
| * - move controls to V4L2 API |
| * - use libv4l2 for stream format conversions |
| * - gr-kernel: switch to v4l2_mmap (current read eats a lot of cpu) |
| * - SDRSharp support |
| */ |
| |
| #ifndef RTL2832_SDR_H |
| #define RTL2832_SDR_H |
| |
| #include <linux/kconfig.h> |
| #include <linux/i2c.h> |
| #include <media/v4l2-subdev.h> |
| #include "dvb_frontend.h" |
| #include "rtl2832.h" |
| |
| struct rtl2832_sdr_platform_data { |
| /* |
| * Clock frequency. |
| * Hz |
| * 4000000, 16000000, 25000000, 28800000 |
| */ |
| u32 clk; |
| |
| /* |
| * Tuner. |
| * XXX: This list must be kept sync with dvb_usb_rtl28xxu USB IF driver. |
| */ |
| #define RTL2832_SDR_TUNER_TUA9001 0x24 |
| #define RTL2832_SDR_TUNER_FC0012 0x26 |
| #define RTL2832_SDR_TUNER_E4000 0x27 |
| #define RTL2832_SDR_TUNER_FC0013 0x29 |
| #define RTL2832_SDR_TUNER_R820T 0x2a |
| #define RTL2832_SDR_TUNER_R828D 0x2b |
| u8 tuner; |
| |
| struct i2c_client *i2c_client; |
| int (*bulk_read)(struct i2c_client *, unsigned int, void *, size_t); |
| int (*bulk_write)(struct i2c_client *, unsigned int, const void *, size_t); |
| int (*update_bits)(struct i2c_client *, unsigned int, unsigned int, unsigned int); |
| struct dvb_frontend *dvb_frontend; |
| struct v4l2_subdev *v4l2_subdev; |
| struct dvb_usb_device *dvb_usb_device; |
| }; |
| |
| |
| static inline struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe, |
| struct i2c_adapter *i2c, const struct rtl2832_config *cfg, |
| struct v4l2_subdev *sd) |
| { |
| dev_warn(&i2c->dev, "%s: driver disabled!\n", __func__); |
| return NULL; |
| } |
| |
| #endif /* RTL2832_SDR_H */ |